CN101910486A - Method and braiding machine by untwisted fibrous material manufacturing needles fabric - Google Patents
Method and braiding machine by untwisted fibrous material manufacturing needles fabric Download PDFInfo
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- CN101910486A CN101910486A CN2008801241830A CN200880124183A CN101910486A CN 101910486 A CN101910486 A CN 101910486A CN 2008801241830 A CN2008801241830 A CN 2008801241830A CN 200880124183 A CN200880124183 A CN 200880124183A CN 101910486 A CN101910486 A CN 101910486A
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- braiding
- weaving
- fibrous material
- instrument
- change point
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/14—Circular knitting machines with independently-movable needles with provision for incorporating loose fibres, e.g. in high-pile fabrics
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/10—Indicating, warning, or safety devices, e.g. stop motions
- D04B35/14—Indicating, warning, or safety devices, e.g. stop motions responsive to thread breakage
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- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Knitting Of Fabric (AREA)
Abstract
The present invention has introduced a kind of method and a kind of braiding machine (1) that is used for by fibrous material (6) the manufacturing needles fabric of supplying with from drawing mechanism (9).According to the present invention, each continuous knitting cycle is moved to end when selected interruptions supply with to take place fiber, and the end of knitting cycle is with the initial execution of a braiding instrument (3) of a change point (2) of going up setting at braiding tool support (2).
Description
The present invention relates to a kind of according to claim 1 method as described in the preamble and a kind of according to claim 10 braiding machine as described in the preamble.
Known in this discussion these class methods and be called the circular knitting machine of spinning braiding machine (for example PCT WO 2004/079068, PCT WO 2007/093165 A2, PCT WO 2007/093166 A2) is characterised in that, knitwear are not by twist yarn commonly used but by as ribbon, the fibrous material of existence such as flyer spindle rove is made, this fibrous material by means of being pulled to previously selected fiber number by spinning technology known stretching mechanism, and was in it by means of device for spinning after discharging from drawing mechanism to be suitable for the state carried to system for weaving commonly used or the like before lopping.
In a kind of particularly preferred flexible program, device for spinning comprises twisting mechanism and conveying that is connected or spray fiber tube thereon.Therefore fibrous material is transformed into a kind of yarn interim, that be provided with the sth. made by twisting of trueing add, and it can carry long distance well.Be about to first being processed such as knitting needles,, obtaining a kind of knitwear thus with extreme flexibility with twisted be kept to again zero (false twisting principle).
Perhaps, also can device for spinning be set in order to form a kind of permanent adhesive, so-called unconventional yarn particularly, and for example be designed to air-flowing type device for spinning (referring to for example EP1 518 949 A2 and EP 1 826 299 A2).Such yarn has certain twisted or reel equally, but pencil yarn or to hold yarn be not yarn on traditional sense for example.Spinning process is preferred to be set like this, that is, it is bonding to form a kind of fiber enough firm for desired conveying purpose under the situation of above-mentioned interim yarn, but still obtains fully soft knitwear.
Be similar to traditional method and braiding machine, its shortcoming is that the fracture of fibrous material or discharge cause the hole in the knitwear or even cause established flexible hose to break away from knitting element.Its reason is, even the braiding instrument still continues to be lifted to the fiber take-off location under the situation of fibrous material undersupply, the therefore previous coil that forms is by knocking over from the braiding instrument.Said term " knocking over " should be understood that at this: irrelevant with the pattern (for example the element of latch needles, compound needle, hook-type etc.) of braiding instrument, old coil at first slides on the bar of braiding instrument when drive oing the fiber accommodated position boldly and crosses its hook and the new coil that forms during in the sedimentation afterwards of braiding instrument and slippage from the braiding instrument fully.
Therefore the method and the circular knitting machine (DE 10 2,005 031 079A1) of the described type of known beginning wherein, utilize the checkout gear with Yarn senser to detect at fibrous fracture, the supply of monitoring fibrous material.If checkout gear determines that fracture is arranged in fibrous material, then produce one and be given for the fault-signal that turn-offs braiding machine and drawing mechanism.The sensor of known checkout gear is arranged on a throughput direction along fibrous material and is in drawing mechanism position before.Can avoid thus: drawing mechanism dry running and new fibrous material a kind of trouble of needs, relevant with various different shortcomings insert.Also can reach: before the end of fibrous material arrives relevant system for weaving, close down braiding machine.
Also existing in addition people proposes (DE 10 2,006 056 895), design starts the circular knitting machine of described type like this, that is, if there is not fibrous material to exist, then an independent system for weaving is switched to not knit operation, and automatically control this switching by means of Yarn detection system.Can form the hole thus in knitwear, its length depends on for finishing the time interval that in fact switching needs.But this can advise that (DE 10 2,007 041 171 A1) are avoided by another, and mode is: avoiding the previous coil knocking over from the braiding instrument that forms basically when the fibrous material fracture takes place.
For last described method, prove: even drawing mechanism continue to be supplied with fibrous material, responsive fibrous material imports at the braiding instrument and does not weave track or intermediate track still can be torn later at any time.Therefore the fibrous material fracture that not only takes place owing to other reasons, and only system for weaving also can cause the fibrous material fracture to the switching that does not weave.Other fracture may produce thus, that is, safeguard in order to get rid of any damage or to implement, and the drawing mechanism that is disposed at system for weaving has been turn-offed.Therefore, in the operating process of knitting mechanism, may produce many fractures of fibrous material, particularly, not only have expection fracture (its for example since the braiding instrument import single-revolution position or centre position or since the shutoff of a drawing mechanism cause), and also have unforeseeable or inevitable fracture (its for example owing to the dry running of fibrous material magazine or any other reason and then for example detect) by sensor.
About the knitwear that will make, owing to these many fracture possibilities have produced problem: each of fibrous material is torn, no matter it in which position with owing to which reason takes place, all causes fibrous material long or short termination in knitwear.If after the lopping that causes because of fibrous fracture is interrupted, intend continuing knitting cycle, that is, and an end of the fibrous material by supplying with new supply to the braiding instrument and repaired in case of necessity, the some fibre material termination that then produces other.This is undesirable, because usually can be clear that long fibrous termination and it must be removed later in knitted fabric.
Set out thus, the objective of the invention is to, structure or design described method of beginning and braiding machine, thus can avoid the undesirable result of influence of fibrous termination at least.
According to the present invention, above-mentioned purpose is achieved by the feature of claim 1 and 10.
Realized by the present invention: when needed, can will there be termination obstruction, that constitute by fibrous material to place as far as possible in the section part of knitwear, this section part is extended on the zone of one or several few wale after machining knitwear, therefore can be cut off, and not damage the remainder of knitwear and on production, do not have significant loss.Under the situation of making tubing on the circular knitting machine, common separation edge (tubing will cut along this separation edge) can be placed in this section part.In other words, can place of tubing unessential to the fibrous termination (except that a few exceptions) that the major general obtains when fiber supply with to take place by selected the interruption inevitably, section that can remove later on partly in.
Said term " selected " is understood that the application's scope planted agent: and the nonessential fiber that all causes because of the fibrous material fracture that makes is supplied with the end of interrupting all causing the continuous-loop process.But particularly advantageously be, as described below those interruptions whole to the major general are considered as selected interruption, for these interruptions, the fibrous termination that forms is the position generation of so far leaving relevant system for weaving along the fibre transportation direction at one, that is, they can be arranged within the section part corresponding to change point of knitwear.
Some fracture in the fibrous material is to take place in the position that comparatively holds a little near a fiber, and fracture only in this way can not be disposed within the described section part, thereby still must take in.
Can obtain other favorable characteristics of the present invention by each dependent claims.
Illustrate in greater detail the present invention below in conjunction with accompanying drawing according to embodiment.Wherein:
Fig. 1 schematically shows first embodiment according to circular knitting machine of the present invention, and circular knitting machine is in order to utilize stretched fiber material manufacturing needles fabric;
Fig. 2 presses the circular knitting machine of Fig. 1, is in another operating conditions;
Fig. 3 omits the vertical view of guide roller by the circular knitting machine of Fig. 1 and 2;
Fig. 4 knitwear comprise a section part that forms by change point; And
Fig. 5 presses the front view of triangle of the circular knitting machine of Fig. 1 to 3.
Below according to the example of circular knitting machine 1 explanation the present invention, it illustrates among Fig. 1 and 2 with partial view.Circular knitting machine 1 comprises a braiding tool support, a syringe 2 particularly, support a plurality of braiding instruments commonly used therein movably, for example be designed to the knitting needle 3 of latch needles, knitting needle has pinhock 3a, rotating needle latch 3b and shank 3c, and can move to the fiber take-off location that is suitable for picking up fibrous material 6 hereinafter referred to as the knitting position of knitting volume system 4 by means of the triangle 5 that is not shown specifically.With fibrous material 6 from magazine 7 for example spinning bar tube, the standby cop etc. feed give circular knitting machine 1, this circular knitting machine for example can be designed as the single face circular knitting machine.
With the fibrous material 6 that preferably includes the flyer spindle rove in the present embodiment via a unshowned transport and only give a drawing mechanism 9 via one in case of necessity in 8 feeds of the guide roller shown in Fig. 1 and 2.Such drawing mechanism 9 of each configuration in many system for weaving 4 wherein, only illustrates a system for weaving 4 among Fig. 1 to 3, drawing mechanism 9 for example has many to draw roll in original known mode.Relate to a kind of 3 roller drawing mechanisms in the present embodiment, wherein, a feeding roller constitutes the predraft district to I and the right roller of pair apron rollers that is designed to placed in the middle to II, and this roller constitutes main drawing zone to II and an outlet roller to III.
The fibrous material 6 (it is made of the untwisted basically staple fibre that is arranged in parallel) of since stretch mechanism 9 is preferably given corresponding system for weaving 4 by means of spinning and the transport feed totally represented with mark 10 in known manner in the future.Transport 10 comprises at least one twisting mechanism 11 and a spray silk that is connected or carrier pipe 12 thereon according to present best embodiment, it ends at a thread-carrier 14, the latter is adjacent before braiding instrument 3 and be set to as usually, the fibrous material 6 that to discharge from the 14a of thread-carrier hole inserts among the pinhock 3a of those braiding instruments 3, and a fiber take-off location is drive on or risen to these braiding instruments by triangle 5 boldly at fiber take-off location as shown in Figure 1.For this reason, the common device particularly including triangle 5 is set on system for weaving 4 in known manner, by means of them, knitting needle 3 at first is raised to the fiber take-off location, the simultaneously previous coil that forms is thereon gone up and in needle latch 3b slip underneath at shank 3c (Fig. 1), picks up fibrous material 6 then and and then it draws in a centre position or in order to make old coil knocking over and in order to form new coil it to be drawn in a welt-position to the major general.This welt-position is shown among Fig. 2, and compared to Figure 1 each pinhock 3a obviously is arranged on the below of the thread-carrier hole 14a that discharges fibrous material 6 in view of the above.
Device for spinning 10 comprises that in other words the transport of twisting mechanism 11 and carrier pipe 12 is used at first changing the ribbon by drawing mechanism 9 outputs into a kind of interim yarn of trueing add and twisting with the fingers that has in a known way.Interim yarn keeps twisted basically up to the end of carrier pipe 12, the fibrous material that to the last obtains subsequently enters and unclamps again then in the knitting needle 3 that these are twisted, that is is kept to zero (false twist effect).Therefore, a kind of densification but almost untwisted ribbon enters into each knitting needle 3.
Other device for spinning of above-mentioned pattern perhaps, also can be set.
The circular knitting machine of described pattern is known by said those documents of beginning for example, at this, for fear of repetition, makes it become the disclosed content of the application by reference.
For fear of thin choice refreshments or thick thick point in the knitwear that machine, occurring, according to the present invention, with fibrous material 6 on demand qualitative characteristics, particularly density and mass change check before it arrives system for weaving 4, and when each fibrous material part of identification, they are feature to depart from the unallowed deviation of a certain preselected level of quality, stop these defective fibrous materials partly to be inserted in each knitting needle 3.This can for example reach like this, that is, by means of the sensor device 15 detection fibers materials 6 that are fit to, when identifying fault (its in Fig. 1 and 2 schematically with some explanations and have mark 6a) the interruption knitting cycle, from fibrous material 6, remove fault 6a, and then continue knitting cycle.The interruption of knitting cycle can for example realize like this, promptly, for each the braiding instrument 3 on the relevant system for weaving 4, from identifying fault 6a, the knocking over of the previous coil that forms does not take place and do not pick up the situation of fibrous material 6 by the fiber take-off location, and for example it is imported the single-revolution track for this reason.
The result that the operation described mode produces is: responsive fibrous material 6 imports rotary position at each knitting needle 3 and tears later on.If therefore in fibrous material 6, record a fault 6a, then also always automatically take place to supply with interruption, and therefore a long or short fibrous material termination in knitwear, occurs to the fiber of each knitting needle 3.If drive on each knitting needle 3 a certain moment afterwards boldly the fiber take-off location again,, then in knitwear, form a fibrous material termination again so that continue knitting cycle.These terminations are appreciable in knitwear and have how long to wait according to the termination of the frequency that fault 6a takes place, formation and may cause undesirable defect point in knitwear.
Form uncontrollably for fear of fibrous termination such in knitted fabric, and advise: according to variable density or mass change fibrous material 6 is detected on such position, this position is in the fibre transportation direction
vThe last spacing of measuring of leaving relevant system for weaving 4 at least with syringe 2 each to change the length of used fibrous material 6 the same big.Produce such possibility thus, that is, always in a same zone on syringe 2 circumference, finish the continuous-loop process hereinafter referred to as change point.Such change point in Fig. 3 with mark 2a explanation and for example by at least one, the knitting needle side by side 3 of preferred chosen in advance number determines.Advise also that according to the present invention always with an end that is in the knitting needle 3 initial execution knitting cycles in this change point 2a, thereby the fibrous termination that forms is always by directly the last knitting needle 3 before it is going along with.No longer pick up the knitting needle that this knitting needle 3 is all followed in release for fiber.If change point 2a always is made of identical for example 20 knitting needles 3, then they are equivalent to the fabric portions 17 of the wale of an adjacency that comprises similar number in the knitwear 16 (Fig. 4) that machine.This fabric portions 17 continues to add the section part that can be used as man-hour along its incision knitwear 16 at tubular knitted article 16.Therefore, each fibrous termination that enters in the zone of change point 2a automatically concentrates on the fringe region of the coil of incision or knitted fabric 16, and it can be cut away, and knitwear 16 are not had significantly infringement.
In the time after fibrous fracture, will continuing knitting cycle, operate in the corresponding way.On first pin that wove at that time 3, fibrous termination also forms inevitably, then causes thus: this fibrous termination is entered in the zone corresponding to the part 17 of change point 2a of knitwear 16.
Situation for the device for spinning 10 of pressing Fig. 1 to 3 or any other device for spinning that is fit to is set, suitable is, the spacing of sensor device 15 being left system for weaving 4 is chosen to, ratio is corresponding to the expense big size of corresponding to drawing mechanism 9 leaving the spacing of system for weaving 4 of syringe 2 each commentaries on classics to fibrous material 6, guarantee thus: at the latest after syringe 2 one changes, the knitting cycle of carrying out in change point 2a finishes or interruption produces such result, promptly, the fault 6a that identifies does not still arrive device for spinning 10, particularly twisting mechanism 11 for example.Can for example prevent by this method: the thick thick point that is in fibrous material 6 outside the margin of tolerance causes device for spinning 10 to block or even damage.
In order to realize the automation of described each process, below introduce a kind of best so far embodiment according to circular knitting machine of the present invention.
Be set to for example be used for the quality of detection fibers material 6 by the visible sensor device 15 of Fig. 1 to 3.Said " quality " should be understood that these characteristics of fibrous material 6 here, and they exert an influence to the knitwear 16 that utilize it and make in circular knitting machine 1, and particularly because the density and/or the mass change of described fibrous material 6 are caused.
By analog signal or the data signal of the electronic installation generation that for example is provided with in sensor device 15 corresponding to determined quality, this signal for example shows that corresponding density or mass deviation depart from the size of a certain preselected level of quality.
In sensor device 15 itself or be provided with by its outside, for example have in the evaluating apparatus 26 (Fig. 1) of microprocessor, whether the measuring-signal that check is sent by sensor device 15 is in the previously selected margin of tolerance to determine fibre density or fiber quality.If fibre density or fiber quality exceed this margin of tolerance, then send a fault-signal by evaluating apparatus 26, it shows just has one to have the fibrous material of fault 6a (Fig. 1) partly by sensor device 15, the feature of this fault is exactly not departed from the quality that requires, the density of particularly unallowed fibrous material 6 or quality with allowing.This fault-signal supplied with the output lead 27,28 (Fig. 1) of evaluating apparatus 26 and be used in the above described manner preventing that the fault that records from being added knitwear.
To those skilled in the art, be applicable to that described purpose sensor device and evaluating apparatus 15,26 are known (for example DE 28 50 775 A1, DE 32 37 371 A1, DE 38 26 861 A1, DE 199 50 901 A1, DE 102 04 328 A1, GB 2 062 704 A) by spining technology and drawing mechanism technology with various possibility in general, therefore do not need to be illustrated in more detail.
Pick up the fibrous material part that has by the fault 6a of sensor device 15 identifications for fear of each knitting needle 3, each system for weaving 4 is provided with triangle 5, and it extends curve and is shown among Fig. 5.In Fig. 5, from then on set out, promptly each knitting needle 3 itself or for each selection piece of its configuration or push jack needle selection device as in the common braiding machine, being provided with stitch 29, they and triangle 5 co-operatings of setting on each system for weaving 4.Thus whole knitting needles 3 are for example at first left a revolution or welt-position and drive on conspicuous fiber take-off location boldly by Fig. 1 along enduring pin track 30; and then pull out again along tractive track 31, so that each knitting needle is being delivered to feed-through locations again after by knocking over track or kinking track 32.In Fig. 5 along arrow
wDirection realize of the motion of each knitting needle 3 with respect to triangle 5.Near the peak 33 of pin track 30 very, reach the fiber take-off location and be used for each knitting needle 3 is arranged on the position of release like this, promptly make on the one hand and be in each coil that in above-mentioned system for weaving 4, forms among its pinhock 3a and go up at shank 3c (Fig. 1) via the needle latch 3b that opens and slide, and on the other hand fibrous material 6 for example in a position 34 (position of its explanation thread-carrier hole 14a) can transport like this, that is, it is inserted among its pinhock 3a at the latest in the process of each knitting needle 3 of tractive.The effect of the tractive of each knitting needle 3 is: the fibrous material 6 that inserts at the coil tractive hung on the shank 3c by previous formation and make simultaneously old coil when needle latch 3b closes via the complete knocking over of pinhock 3a.
In addition, be provided with a branch 35 by Fig. 5 on the starting point of pin track 30 very, each stitch 29 is by selecting to turn to very pin track 30 or change straight-through track 36 over to thereon, as for some stitch 29a explanation.For example the electromagnet 37 that is provided with in the zone of branch 35 can be used as needle selecting device.Being controlled under the simplest situation of this electromagnet 37 can realize like this that promptly the fault-signal according to evaluating apparatus 26 will change straight-through track 36 at the whole pins 3 on the relevant system for weaving 4 over to.Be provided with a plant control unit 38 by Fig. 1 and 2 for this reason, it is connected in the triangle 5 that has electromagnet 37 accordingly by lead 39, import in the straight-through track 36 by each knitting needle 3 and to avoid, each old coil is partly inweaved in the knitwear 16 by knocking over and the fibrous material that is provided with fault 6a.This situation for example remains to fault 6a by thread-carrier 14 and no longer can be caught by each pin 3 always.Then each pin 3 is changed again over to very pin track 30, that is, by correspondingly controlling electromagnet 37, thereby can carry out normal knitting cycle once more with the fibrous material 6 of no fault.
Realize the control of each knitting needle 3 in the zone of branch 35 with special advantage, when the change point 2a shown in Fig. 3 arrives branch 35, just realize from enduring the switching of pin track 30 to straight-through track 36 and make to have only.For this reason, output lead 27 is connected in the plant control unit 38 of the circular knitting machine shown in Fig. 1 and 2.By fault-signal announcement apparatus control device 38 with evaluating apparatus 26, in case change point 2a arrives system for weaving 4, that is in case the knitting needle 3 of the starting point of a definite change point 2a for example knitting needle No.1 arrive branch 35, just must pass on control signal corresponding to electromagnet 37.For example, also combine, when inserting defiber or when manufacturing has the knitwear of different weavy grains, use the change point of the mode of being concerned about here with needle-thread tensioning control device.
If sensor device 15, as above exemplary requirement, leave system for weaving 4 spacing is arranged, at least just each commentaries on classics as syringe 2 is big to the fibrous material expense for it, and then under any circumstance a certain moment change point 2a before fault 6a has arrived system for weaving 4 reaches relevant system for weaving 4.Therefore before fault 6a arrived system for weaving 4, each knitting needle 3 was also realized turning to.
Because above-mentioned characteristic, if each knitting needle 3 is imported rotary track 36 (Fig. 5), then fibrous material 6 is torn, according to the present invention, realize controllably now this to tear and make the fibrous material termination that obtains thus on the knitting needle 3 of change point 2a or beginning in the knitting needle 3 that directly is in this knitting needle front that it still is processed into a coil with fibrous material 6 in regular turn.The exact position of fibrous material 6 fracture, that is the length of the fibrous material termination of freely hanging in knitwear that obtains not is key, because as mentioned above, cut away the section part 17 corresponding to change point 2a of knitwear 16.
All exist substantially because the fibrous termination that each knitting needle 3 importing rotary track 36 forms enters in the section part 17 in such a way, it also disposes last knitting needle 2 according to the present invention.Under any circumstance form a section part 17 like this, it is cut open after machining tubular knitted article 16 and removes, thereby the remaining part of knitwear 16 does not have defective.
If after such process that fibrous fracture is arranged, from fibrous material 6, remove fault 6a or from each knitting needle 3 next door by and do not catch by them, then be controlled at the electromagnet 37 on the relevant system for weaving 4 again, make each knitting needle 3 in branch 35, change very pin track 30 over to.Because fibrous material is torn, and it must be inserted in the knitting needle 3 again when this conversion, forms another fibrous material termination thus.Therefore change the knitting needle 3 of enduring pin track 30 according to the present invention over to as first and reselect a knitting needle 3 that is in the change point 2a.Change the knitting needle of all following this knitting needle 3 over to very pin track 30 equally.Thus, the formed fibrous termination that restarts by knitting cycle also enters in the part 17 of knitwear 16, thereby can afterwards they be removed therewith.
In order to realize: continue again when when fault 6a occurring, automatically interrupting knitting cycle and not having fault 6a to be caught by knitting needle 3, further develop in the design of the present invention, at one in the back of each knitting needle 3 and the position of the thread-carrier 14 under being opposite to, at least one suction pipe 40 (Fig. 1 to 3) is set, and its adjacent back at each knitting needle 3 stops and is connected in a unshowned outlet that utilizes negative pressure work.Suction pipe 40 is inoperative in normal knitting cycle.If but in fibrous material 6, identify fault 6a, then suction pipe 40 is as such purpose, that is, cause quickly importing fibrous material 6 fractures that cause in the rotary track 36 and drawing and take away the fibrous material 6b (Fig. 2) that still supplies with by drawing mechanism 9 by each knitting needle 3.
Such situation is shown among Fig. 2.In this supposition, the fault 6a that has advanced to the direction of system for weaving 4 with respect to Fig. 1 has caused evaluating apparatus 26 that fault-signal is arranged, change point 2a has passed through system for weaving 4, therefore on this system for weaving 4, no longer each knitting needle 3 is drive on boldly by fiber take-off location shown in Figure 1, and for example be retained in the rotary track 36 (Fig. 5).Because therefore each pinhock 3a through thread-carrier 14, absorbs the fibrous material 6b that is not reprocessed into coil that still supplies with suction pipe below the 14a of thread-carrier hole.The result of Chan Shenging is like this, tears and form a kind of short fibrous material termination of following the knitting needle that weaves at last by knitting needle 3 fibrous materials 6 going along with that weave at last simultaneously.
If no matter fault 6a make fibrous material 6 with constant transporting velocity along arrow
vThe direction motion, then after syringe 2 one turn overs (each knitting needle 3 imports rotary tracks 36 in this process), fault 6a passes through system for weaving 4 safely and arrives suction pipe 40.In case change point 2a passes through system for weaving 4 again thus, just can after changeing, syringe 2 one restart knitting cycle.Automatically guarantee whereby: fault 6a does not inweave in the knitwear 16, and takes away by outlet.
The circular knitting machine of describing by Fig. 1 to 31 is provided with each spinning and transport 10 between drawing mechanism 9 and system for weaving 4, it for example has spinning or twisting mechanism 11 or like.Since bigger (thicker) fault 6a may block or even damage this twisting mechanism 11, so sensor device 15 preferably is set to than turning around corresponding to each syringe the expense of fibrous material 6 be left 4 one sizes corresponding to the spacing between drawing mechanism 9 (or its outlet roller is to III) and system for weaving 4 of braiding instrument further.Guarantee thus: if change point 2a arrives system for weaving, then for example very thick fault 6a that is identified by sensor device 15 is in the fibre transportation direction
vOn still be in before the twisting mechanism 11.When using other device for spinning that are fit to, also correspondingly operate.
After eliminating such fault 6a, at first to reclose drawing mechanism 9.Therefore carry and also have the new beginning of fibrous material 6 or tie point and so on and be inhaled in the suction pipe 40 if the continuous fibers of fibrous material 6 takes place again,, just proceed knitting cycle in case then change point 2a reenters system for weaving 4.Can use a manual switch 41 (Fig. 1 and 2), it is connected in evaluating apparatus 26 or also is directly connected in plant control unit 38 and is designed to for this reason, makes knitting needle 3 be deferred to change point 2a toward the importing in the pin track 30 very always and arrives relevant system for weaving.This hand switch 41 also is suitable for the drive unit that recloses drawing mechanism when it is operated in addition.
Owing to what various different reasons may suit be, a sensor 42 is set in the space between drawing mechanism 9 and system for weaving 4, it is applicable to that identification supplies with the fibrous material 6 of system for weaving 4 and whether exist and also particularly advantageously discern its motion or stop.Can be by the fibrous material 6 of discharging, by such detections of realization such as the interim yarns that carrier pipe 12, leads from carrier pipe 12.Under the in the end described situation, relevant carrier pipe 12 preferably has a window or a mid portion that is made of complete material transparent, can be by the interim yarn of sensor 42 identifications by it.Particularly advantageously near relevant system for weaving 4 sensor 42 is set as far as possible, so that fracture in the fibrous material 6 that also can find to take place there or other defective.To supply with evaluating apparatus 26 or direct supply arrangement control device 38 by Fig. 1 and 2 by the output signal that sensor 42 produces.
As sensor 42 the common sensor that is used as the yarn controller in the braiding machine of standard can be set, it sends the fault-signal of an electricity when fibrous material to be detected 6 does not exist or stops.In case this fault-signal disappearance and sensor are notified thus by the drawing mechanism 9 of its detection and supplied with fibrous material 6 and fibrous material 6 motions again, that is along throughput direction
vCarry, just can be at change point 2a next time on system for weaving 4 next doors by the time control electromagnet 37 again, endure in the pin track 30 and each knitting needle 3 changed over to.
In addition, thus sensor 42 can be used for the identification of fibrous fracture and be used for the identification that fiber is supplied with the interruption in device for spinning 10.Under these circumstances, with fibrous fracture by sensor 42 with for example such result notification evaluating apparatus 26, with each knitting needle 3 by means of electromagnet 37 immediately and with the current location independent of change point 2a change rotary track 36 over to.But because such situation less takes place, the defective of getting in touch with it is tolerable in knitwear 16.In order to restart knitting process, as mentioned above, also utilize change point 2a and hand switch 41 in this case.
Be different from described embodiment, also possiblely be: each knitting needle 3 is risen to a centre position, a tuck position and move past fiber take-off location 33 (Fig. 5) in this centre position for example at change point 2a.Do not produce significant difference thus about remaining function.But should guarantee, also keep freely as far as possible in the process that each knitting needle 3 that is mediating in the space between thread-carrier hole 14 and the suction pipe 40 passes through, so that when fault 6a occurring, do not reduce the suction of needs.
Suitable is by the respective number that realizes the braiding instrument 3 in bearing 2 of lopping each time the stretching of the expense of fibrous material 6 and enforcement in drawing mechanism 9 to be determined that the sensor device 15 leaves the spacing of system for weaving 4.If for example always co-exist in 2640 knitting needles 3 in bearing 2, and each coil is respectively 3mm to the expense of fibrous material 6, then bearing 2 each change the fibrous material 6 that needs usefulness and be about 7920mm.If in drawing mechanism 9, reach about 50 times total stretching (predraft and main the stretching), then sensor device 15 can be for example with the spacing x of about 158.4mm away from the feeding roller of drawing mechanism 9 to I, that is along the fibre transportation direction
vBe arranged on the feeding roller to 158.4mm place before the I.Utilize the fiber expense of number * each coil of knitting needle 3 in the x=[(syringe): amount of tension] calculate this spacing x, and guarantee in all cases: fault 6a did not arrive relevant system for weaving 4 before change point 2a passes through.Can consider at last, be not suddenly but gradually the feeding roller to I and outlet roller to III between stretching in the realization drawing mechanism 9.Whole these calculation of parameter just can be tried to achieve the spacing that sensor 15 leaves relevant system for weaving when interior, it is guaranteed: rotate if syringe 2 is still implemented a whole circle from identification fault 6a, the fault 6a that then identifies is transported to system for weaving 4 at most, if change point 2a has just in time passed through relevant system for weaving 4 in the moment of identification fault 6a, this is essential.If opposite the requirement before syringe 2 one commentaries on classics only are transported to device for spinning 10 with fault 6a later on, then the spacing of sensor device 15 must be corresponding bigger, so that will include consideration in to the spacing between III (or device for spinning 10) and the system for weaving 4 at the conveying roller of drawing mechanism 9.No matter the fault 6a of which type will detect, therefore can be advantageously, under any circumstance the spacing with sensor device 15 is defined as, and makes fault 6a only is transported to device for spinning 10.If the outlet roller at drawing mechanism 9 is bigger to the spacing between III and the system for weaving 4, but such spacing may got in touch the expense of a unnecessary big fibrous material 6, if particularly relate to very uneven fibrous material 6.Therefore it seems at present and best be, evaluating apparatus 26 is arranged to, make it can differentiate little (thin) fault 6a and big (thick) fault 6a, might programme to plant control unit in this case, allow little fault 6a one through to system for weaving 4, big fault 6a then only leads to outlet roller to III.If relate to big or little mass change, can correspondingly operate.
According to the present invention, described method and braiding machine also are used for initiate carrying out spinning bar tube, bobbin or 6 magazines, the 7 needed replacings of other fibrous materials and/or with its automation.For this programmes to sensor device 15 and/or evaluating apparatus 26, and if make the density of fibrous material 6 as many as zero, also no longer exist fibrous material 6 to supply with, then always produce a kind of special fault-signal.This or with fibrous material one before being in drawing mechanism 9 locational (more rare) fracture or with the dry running meaning of corresponding magazine 7 be identical.In this case, after sending such fault-signal, at first, described control device will weave instrument 3 and import rotary position.Secondly, preferably turn-off related tension mechanism 9 or related tension mechanism group later on by relevant system for weaving 4 and guarantee that each braiding instrument 3 is by straight-through track 36, so that avoid tearing too early of fibrous material 6 thus at change point 2a.Then repair yarn breakage or a new magazine 7 is provided, insert the beginning of that tear or new fibrous material 6 in the drawing mechanism 9 or also be connected in old fibrous material 6, reclose drawing mechanism 9 then and continue knitting cycle at last in the manner described.As when fault 6a occurring, after the magazine 7 that may implement is automatically changed, also can wait until the tie point that may occur always or wait until that always sensor 42 shows when supplying with fibrous material again by drawing mechanism 9, just begins knitting cycle again by relevant suction pipe 40 sucking-offs.
Replace the sequencing of described sensor device and/or evaluating apparatus 15/26, it would, of course, also be possible to is provided with the sensor that another is equivalent to sensor 42 near sensor device 15, and it only just causes the generation of fault-signal when not having fibrous material to supply with.
If in the continuous-loop process, turn-off drawing mechanism 9, because fibrous material 6 must be torn thus, then produce the another kind of selected interruption that fiber is supplied with, it can cause the end of knitting cycle according to the present invention.Owing to which kind of reason is turn-offed drawing mechanism 9, for example, unimportant to this in order to implement repairing, maintenance etc.Under these circumstances,, be evaluating apparatus 26 configurations special disconnect 43 for example, by means of it be not immediately but only just turn-off the drawing mechanism drive unit later in previously selected slack time according to the present invention regulation.This slack time is selected so longly, so that before the fibrous termination that causes by drawing mechanism 9 shutoffs arrived relevant system for weaving 4, change point 2a passed through this system for weaving 4 safely after handling disconnect 43.And then each knitting needle 3 (from the knitting needle 3 of change point 2a) might be forwarded to a track, on this track, they do not drive on the fiber take-off location boldly on this system for weaving 4.Disconnect 43 is for example delayed the stage 44 via one for this reason and be connected in evaluating apparatus 26 or evaluating apparatus 26 and delay the drive unit that the stage 44 is connected in related tension mechanism 9 through one, as illustrative in Fig. 1 and 2.In addition, evaluating apparatus 26 will be passed to plant control unit 38 via lead 45 by the signal of telecommunication that disconnect 43 obtains, thereby it can be with the mode actuating solenoid 37 of needs.Guarantee thus: the fibrous material termination that the shutoff by drawing mechanism 9 causes enters in the part 17 (Fig. 4) of knitted fabric 16 only.
If each drawing mechanism 9 that disposes for a plurality of adjacent system for weaving is combined into a drawing mechanism group of being furnished with common drive unit, then when handling disconnect 43, always turn-off whole drawing mechanism groups in braiding machine 1.Therefore, under these circumstances, slack time must be determined so longly up to turn-offing the drawing mechanism group, thus change point 2a can be continuously by being the system for weaving of this drawing mechanism configuration set all.
In addition, evaluating apparatus 26, plant control unit 38 and other members that is not shown specifically (for example 41,43,44) constitute a control device, by means of it, control various process in the manner described.This point not only can be utilized hardware unit but also can utilize software service to realize.If braiding machine has many system for weaving 4, they preferably all design according to Fig. 1 to 5.
The present invention is not limited to described embodiment, and these embodiment can be according to the different ways change.Particularly, can use other device to send the take-off location of fiber as shown in Figure 5 in order to will weave instrument 3.Replace electromagnet 37, can adopt other needle selecting device, for example controlled triangle.Otherwise if in the zone of the change point 2a that constitutes by a plurality of knitting needles 3, realize from be woven into do not weave or switching, then do not need accurately this switching of realization on the knitting needle 3 of regulation, thereby do not need to be accurate to accurately the control of pin.Also can imagine, sensor device 15 is arranged in the drawing mechanism 9, as long as only just guarantee by the consideration of the still stretching of reservation: the fault 6a that identifies is correlated with system for weaving 4 or is transported to the jaw line (or be transported to twisting mechanism 11 etc.) of outlet roller to III by being transported at most before by the pin 3 that first of change point 2a does not weave at relevant system for weaving 4.In addition, replace sensor device 15,42, can adopt the mechanism that is different from described device.Particularly advantageously be, for example also adopt capacitive measuring system,, wherein, produce measuring-signal by at least one change of measuring the electric capacity of capacitor particularly according to the work of three electrode measurement principles.In addition, the braiding tool support that is different from syringe 2 can be set also, dials for example, and change point more than one is set.Particularly for having very large diameter braiding tool support, for example possible is the change point of two diametrically contrapositions to be set and to cut the knitwear that form on two change points.It is apparent that in addition, replace described fiber supply interruption or be additional to them, also can adopt other such interruption to interrupt as " selected ", under the application's meaning, it is used for finishing knitting cycle in the zone of a change point 2a, if this also is preferred words according to the present invention, then in general can under the fiber supply interruption situation that all occurs, cause this end.At last, self-evident, each different feature also can be applied according to being different from described and illustrated compound mode.
Claims (19)
1. be used for going up the method for manufacturing needles fabric at braiding machine (1), described braiding machine comprises braiding tool support (2) and at least one system for weaving (4) with braiding instrument (3), wherein, the formation of coil realizes by following manner: described braiding instrument (3) is drive on a fiber take-off location boldly through system for weaving (4) time, and then pull out again, supply with by a drawing mechanism (9) so that pick up, the fibrous material of drawn (6), it is characterized in that, a continuous knitting cycle is finished, and the end of knitting cycle is with the initial execution of a braiding instrument (3) of going up a change point (2) that is provided with at braiding tool support (2).
2. in accordance with the method for claim 1, it is characterized in that knitting cycle finishes by following manner: from that braiding instrument of described change point (2a), make each braiding instrument (3) fiber take-off location of passing by, and the previous not knocking over of coil that forms.
3. according to claim 1 or 2 described methods, it is characterized in that, in circular knitting machine with rotatable braiding tool support (2), the end of knitting cycle is in the following cases with the initial execution of a braiding instrument (3) of change point (2a) at least, promptly, the interruption that fiber is supplied with occurs at a determining deviation place before at system for weaving (3), and this spacing is at least just in time the same big with each fibrous material (6) length of changeing used of braiding tool support (2).
4. according to one of claim 1 to 3 described method, it is characterized in that, the end of knitting cycle is in the following cases with the initial execution of a braiding instrument (3) of change point (2a) at least, that is, plan in a continuous knitting cycle, to turn-off the drawing mechanism (9) that is disposed at system for weaving (4).
5. according to one of claim 1 to 4 described method, it is characterized in that, the end of knitting cycle is in the following cases with the initial execution of a braiding instrument (3) of change point (2a) at least, that is, plan in continuous knitting cycle, to make each braiding instrument (3) to import a centre or feed-through locations and do not carrying out the fiber take-off location of passing by under the situation that fiber picks up.
6. according to one of claim 1 to 5 described method, it is characterized in that, the end of knitting cycle is in the following cases with the initial execution of a braiding instrument (3) of change point (2a) at least,, is disposed at a fibrous material magazine (7) dry running of system for weaving (4) that is.
7. according to one of claim 1 to 6 described method, it is characterized in that knitting cycle is supplied with owing to fiber at it and taken place to restart on system for weaving (4) by following manner after a selected interruption causes finishing: knitting cycle is carried out once more with a braiding instrument (3) of change point (2a).
8. in accordance with the method for claim 7, it is characterized in that, only supply with and just carry out knitting cycle once more after interrupting having eliminated fiber with the braiding instrument (3) of change point (2a).
9. according to one of claim 1 to 8 described method, it is characterized in that, under the situation that has a plurality of system for weaving (4), on each system for weaving (4), operate in the same manner.
10. braiding machine, comprise: braiding tool support (2), the braiding instrument (3) that in this braiding tool support, is provided with, at least one system for weaving (4) and a drawing mechanism (9) that is disposed at described system for weaving (4), in order to supply with the fibrous material (6) of drawn, wherein, described braiding instrument (3) is drive on a fiber take-off location boldly for lopping in the process of its system for weaving of passing by (4), and then pull out again, so that pick up the fibrous material of supplying with by drawing mechanism (9) (6); It is characterized in that, this braiding machine has a control device (26,38), by means of it, when selected interruptions supply with to take place fiber, automatically finish a continuous knitting cycle, and the end of knitting cycle is with the initial execution of a braiding instrument (3) of the change point (2) that weaves tool support (2).
11. according to the described braiding machine of claim 10, it is characterized in that, described system for weaving (4) has one by select importing the fiber take-off location or import the branch (35) of a centre or straight-through track, and the end of knitting cycle is initiated to carry out by following manner: each braiding instrument (3) fiber take-off location of passing by in the middle of branch (35) locates to change over to or under the situation of straight-through track (36) and the not knocking over of coil that formerly forms.
12. according to claim 10 or 11 described braiding machines, it is characterized in that, described braiding machine is designed to a kind of circular knitting machine with rotatable braiding tool support (2), and have one and (be arranged at system for weaving (4) sensor device (15) before v) in the fibre transportation direction, this sensor device be arranged in use in identify fiber in supplying with interruption and/or produce fault-signal and leave system for weaving (4) during fault a spacing is arranged, this spacing is the same big with each fibrous material (6) length of changeing used of braiding tool support (2) at least, and, described sensor device (15) and described control device (26,38) be connected, so that when identifying fault-signal, the end of knitting cycle is with the initial execution of that braiding instrument (3) of described change point (2a).
13., it is characterized in that described fault-signal is used for making fibrous material (6) magazine (7) that is disposed at system for weaving (3) to change automatically according to the described braiding machine of claim 12.
14. according to claim 10 or 13 described braiding machines, it is characterized in that, this braiding machine has one and is given for the switch (43) that turn-offs drawing mechanism (9), this switch so is connected with control device (26,38), that is, make that drawing mechanism (9) is to be turned off the earliest when change point (2a) has passed through system for weaving (4).
15. according to one of claim 10 to 14 described braiding machine, it is characterized in that, this braiding machine has one and is given for the switch (41) of connecting the used drive unit of braiding tool support (2), this switch so is connected with control device (26,38), promptly, make knitting cycle supply with owing to fiber and take place on system for weaving (4), to restart after a selected interruption causes finishing that mode is: its braiding instrument (3) with change point (2a) is carried out once more at it.
16. according to one of claim 10 to 15 described braiding machine, it is characterized in that, this braiding machine has a sensor (42) that is provided with between drawing mechanism (9) and system for weaving (4), this sensor is arranged in use in to identify and produces fault-signal when fiber is supplied with interruption, and, only when sensor (42) shows fibrous material (6) existence and carries, just restart knitting cycle.
17., it is characterized in that this braiding machine is designed to circular knitting machine, and have the system for weaving (4) of many relative configurations and operation according to one of claim 10 to 16 described braiding machine.
18., it is characterized in that this braiding machine comprises the aspirator (40) that at least one is provided with later at braiding instrument (3) according to one of claim 10 to 17 described braiding machine.
19., it is characterized in that described sensor device (15) is designed to capacitive particularly by the sensor device of three electrode measurement principle work according to one of claim 12 to 18 described braiding machine.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007059002.6 | 2007-12-06 | ||
| DE102007059002 | 2007-12-06 | ||
| DE102008008211A DE102008008211B4 (en) | 2007-12-06 | 2008-02-07 | Method and knitting machine for producing a knit fabric from an untwisted fiber material |
| DE102008008211.2 | 2008-02-07 | ||
| PCT/DE2008/002004 WO2009071062A1 (en) | 2007-12-06 | 2008-12-02 | Method and knitting machine for producing a knitted fabric from a non-twisted fiber material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101910486A true CN101910486A (en) | 2010-12-08 |
| CN101910486B CN101910486B (en) | 2012-03-21 |
Family
ID=40680137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801241830A Expired - Fee Related CN101910486B (en) | 2007-12-06 | 2008-12-02 | Method and knitting machine for producing a knitted fabric from a non-twisted fiber material |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN101910486B (en) |
| AR (1) | AR069591A1 (en) |
| BR (1) | BRPI0821045A2 (en) |
| DE (1) | DE102008008211B4 (en) |
| TW (1) | TWI473917B (en) |
| WO (1) | WO2009071062A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287713A (en) * | 2016-04-12 | 2017-10-24 | 里特捷克有限公司 | Control includes the method and the weaving loom of the weaving loom of row work station disposed adjacent one another |
| CN107587255A (en) * | 2017-10-31 | 2018-01-16 | 泉州威廉针织科技研究院股份有限公司 | A kind of yarn Intelligent Measurement of knitting circular knitting machine removes defect devices and methods therefor |
| CN107829204A (en) * | 2017-11-24 | 2018-03-23 | 泉州威廉针织科技研究院股份有限公司 | A kind of yarn detection of knitting circular knitting machine removes defect intelligence control system and control method |
| CN109468735A (en) * | 2018-12-29 | 2019-03-15 | 四川省玻纤集团有限公司 | A kind of the woven fabric system and its woven fabric method of basalt fiber cloth |
| CN111719233A (en) * | 2019-03-21 | 2020-09-29 | 卡尔迈耶研发有限公司 | Warp knitting machine |
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| DE102008031130A1 (en) * | 2008-07-02 | 2010-01-21 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Capacitive sensor unit for monitoring the quality of fiber material and thus equipped machine for the production of knitwear |
| DE102012106189A1 (en) * | 2012-07-10 | 2014-05-15 | Maschinenfabrik Rieter Ag | Textile machine with a drafting system and two fiber material templates |
| DE102015102285A1 (en) | 2015-02-18 | 2016-08-18 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Method for detecting and marking defective sections in rovings for spinning-knitting machines |
| DE102015102266A1 (en) * | 2015-02-18 | 2016-08-18 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Method for producing a knitted fabric |
| DE102015102267A1 (en) * | 2015-02-18 | 2016-08-18 | Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh | Assembly arrangement for a spinning-knitting machine |
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- 2008-02-07 DE DE102008008211A patent/DE102008008211B4/en not_active Expired - Fee Related
- 2008-12-02 BR BRPI0821045-4A patent/BRPI0821045A2/en active Search and Examination
- 2008-12-02 CN CN2008801241830A patent/CN101910486B/en not_active Expired - Fee Related
- 2008-12-02 WO PCT/DE2008/002004 patent/WO2009071062A1/en active Application Filing
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287713A (en) * | 2016-04-12 | 2017-10-24 | 里特捷克有限公司 | Control includes the method and the weaving loom of the weaving loom of row work station disposed adjacent one another |
| CN107587255A (en) * | 2017-10-31 | 2018-01-16 | 泉州威廉针织科技研究院股份有限公司 | A kind of yarn Intelligent Measurement of knitting circular knitting machine removes defect devices and methods therefor |
| CN107829204A (en) * | 2017-11-24 | 2018-03-23 | 泉州威廉针织科技研究院股份有限公司 | A kind of yarn detection of knitting circular knitting machine removes defect intelligence control system and control method |
| CN109468735A (en) * | 2018-12-29 | 2019-03-15 | 四川省玻纤集团有限公司 | A kind of the woven fabric system and its woven fabric method of basalt fiber cloth |
| CN109468735B (en) * | 2018-12-29 | 2023-09-22 | 四川省玻纤集团股份有限公司 | Basalt fiber cloth weaving system and basalt fiber cloth weaving method |
| CN111719233A (en) * | 2019-03-21 | 2020-09-29 | 卡尔迈耶研发有限公司 | Warp knitting machine |
| CN111719233B (en) * | 2019-03-21 | 2021-08-17 | 卡尔迈耶斯托尔研发有限公司 | Warp knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200940765A (en) | 2009-10-01 |
| DE102008008211B4 (en) | 2012-01-26 |
| BRPI0821045A2 (en) | 2015-06-16 |
| DE102008008211A1 (en) | 2009-06-18 |
| AR069591A1 (en) | 2010-02-03 |
| CN101910486B (en) | 2012-03-21 |
| TWI473917B (en) | 2015-02-21 |
| WO2009071062A1 (en) | 2009-06-11 |
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